CS1D-II102D Omron, CS1D-II102D Datasheet - Page 368

• Manufacturer Part Number: CS1D-II102D
• Description: CS1D Dual IO Interface Unit
• Manufacturer: Omron

Specifications of CS1D-II102D

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

9-1-4
CPU Unit Operation
Initialization at Startup
Note
and executed every cycle. If all servicing cannot be completed within the allo-
cated time, the remaining servicing is performed the next cycle.
1. Special I/O Units, CPU Bus Units, RS-232C communications ports, Inner
2. In either of the Parallel Processing Modes for a Single CPU System, all pe-
The following initializing processes will be performed once each time the
power is turned ON.
Event servicing for
Special I/O Units
Event servicing for
CPU Bus Units
Event servicing for
Inner Boards (Single
CPU Systems or
Process-control CPU
Units only)
Peripheral port ser-
vicing
RS-232C port ser-
vicing
Communications
port servicing
File access servicing File read/write operations for Memory Cards or EM file mem-
• Detect mounted Units.
• Compare the registered I/O tables and the actual Units.
• Clear the non-holding areas of I/O memory according to the status of the
• Clear forced status according to the status of the Forced Status Hold Bit.
• Autoboot using the autotransfer files in the Memory Card if one is
• Perform self-diagnosis (user memory check).
• Restore the user program (See note 3.)
Boards, and file servicing is allocated 4% of the cycle time by default (the
default can be changed). If servicing is separated over many cycles, delay-
ing completion of the servicing, set the same allocated time (same time for
all services) rather than a percentage under execute time settings in the
PLC Setup.
ripheral servicing except for file access is performed in the peripheral ser-
vicing cycle.
IOM Hold Bit. (See note 1.)
(See note 2.)
inserted.
Units
Non-scheduled servicing for FINS commands from Special I/O
Units, CPU Bus Units, and Inner Boards
Non-scheduled servicing for FINS commands from the CPU
Unit to the above Units
Non-scheduled servicing for FINS or Host Link commands
received via the peripheral or RS-232C ports from Program-
ming Devices, PTs, or host computers (e.g., requests to trans-
fer programming, monitoring, forced-set/reset operations, or
online editing
Non-scheduled servicing from the CPU Unit transmitted from
the peripheral or RS-232C port (non-solicited communica-
tions)
Servicing to execute network communications, serial commu-
nications, or file memory access for the SEND, RECV, CMND
or PMCR instructions using communications ports 0 to 7
(internal logical ports)
ory
Servicing
Section 9-1
333